Welcome to our dedicated page for Iron Mountain SEC filings (Ticker: IRM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission (SEC) filings for Iron Mountain Incorporated (NYSE: IRM), a REIT focused on information management, storage, data center and digital services. Through these documents, investors can review how Iron Mountain describes its business segments, capital structure, risk factors and financial performance in official regulatory reports.
Iron Mountain’s filings include current reports on Form 8-K, which disclose material events such as amendments to its long-standing credit agreement, the incurrence of incremental term loans, private offerings of senior notes due 2034, and the creation of related direct financial obligations. The company also uses Form 8-K to furnish quarterly earnings press releases, slide presentations and supplemental financial information, and to report corporate governance changes such as the election of new directors and committee assignments.
In addition to 8-Ks, investors can reference Iron Mountain’s annual reports on Form 10-K and quarterly reports on Form 10-Q (accessible via the broader SEC database) for detailed discussions of its Global RIM Business, Global Data Center Business, and Corporate and Other Business segments, as well as disclosures on storage and service revenue, non-GAAP measures like Adjusted EBITDA, FFO and AFFO, and risk factors related to information management, data privacy, cybersecurity, real estate and REIT qualification.
Stock Titan enhances these filings with AI-powered summaries that highlight key points from lengthy documents, helping readers quickly identify items such as new debt issuances, credit facility amendments, dividend-related information and governance changes. Users can also monitor filings that relate to direct financial obligations and other material events, giving a structured view of how Iron Mountain manages its balance sheet and supports its storage, data center, digital and asset lifecycle management operations.
Cohen & Steers and its affiliated investment advisers report beneficial ownership of 19,106,540 shares of Iron Mountain, Inc. common stock, representing 6.46% of the class. They have sole voting power over 14,634,540 shares and sole dispositive power over all 19,106,540 shares.
The securities are held by Cohen & Steers Capital Management, Cohen & Steers UK, Cohen & Steers Asia, and Cohen & Steers Ireland for the benefit of their account holders, who are entitled to dividends and sale proceeds. The filing states the position is held in the ordinary course of business and not for the purpose of influencing control of Iron Mountain.
Iron Mountain Incorporated files its 2025 annual report, detailing a global information management, digital solutions and data center business organized as a REIT. The company serves more than 240,000 customers in 61 countries and generated approximately
Iron Mountain emphasizes recurring storage income from over 740 million cubic feet of physical records and a growing data center platform of 31 facilities with 488 MW of capacity that is about 97% leased and expandable to 1,340 MW. It highlights completion of Project Matterhorn, a multi‑year transformation that drove about
The report outlines key risks around executing its growth plan, cybersecurity, data privacy, AI adoption, integration of acquisitions, environmental regulation, global operations and maintaining REIT status. As of December 31, 2025, long‑term debt was roughly
Iron Mountain Incorporated reported record results for the fourth quarter and full year 2025 while issuing upbeat 2026 guidance. Revenue reached $1.8 billion in Q4 and $6.9 billion for 2025, up 16.6% and 12.2% year over year, driven by strong storage and service growth.
Despite higher operating and interest costs reducing full-year net income to $152 million from $184 million (EPS $0.49 vs. $0.61), profitability on a cash and operating basis improved. Adjusted EBITDA rose to $2.57 billion, up 15.1%, with margin expanding to 37.3%. AFFO increased to $1.54 billion, or $5.17 per share, up 13.9%.
Growth businesses in data centers, digital solutions, and asset lifecycle management collectively grew more than 30% in 2025 and now represent 28% of revenue. The board declared a $0.864 first-quarter 2026 dividend. For 2026, the company guides to revenue of $7.625–$7.775 billion, Adjusted EBITDA of $2.875–$2.925 billion, and AFFO of $1.705–$1.735 billion, implying continued double-digit growth.
Iron Mountain Incorporated director Robin Matlock converted 10.189 Phantom Stock units into the same number of shares of Common Stock on January 21, 2026 under the company’s Directors Deferred Compensation Plan. The conversion price was reported as $0 per share, reflecting settlement of previously accrued phantom stock rather than an open‑market purchase. Following this transaction, Matlock directly beneficially owns 28,559.189 shares of Iron Mountain common stock.
Iron Mountain Incorporated director Doyle R. Simons reported acquiring additional deferred equity-based compensation. On January 6, 2026, he received 459.793 units of phantom stock at a weighted average price of
Each phantom stock unit is economically equivalent to one share of Iron Mountain common stock and will be paid out in common shares following Simons’ disability or when his board service ends. The new units also reflect dividends on common stock as if those dividends were reinvested in additional phantom stock.
Iron Mountain Incorporated director Theodore R. Samuels II reported additional deferred equity-based compensation in the form of phantom stock units. On January 6, 2026, he acquired 425.125 phantom stock units at a weighted average price of $85.269 per unit and 107.445 phantom stock units at a weighted average price of $84.625 per unit. These entries reflect his quarterly cash board fees and dividends on common stock treated as if reinvested into phantom stock under the company’s Directors Deferred Compensation Plan. Each phantom stock unit is economically equivalent to one share of Iron Mountain common stock and will be settled in common shares after his disability or when his board service ends, bringing his reported phantom stock balance to 11,056.26 units held directly.
Iron Mountain Incorporated director Robin Matlock reported acquiring 10.189 phantom stock units on January 6, 2026 under the company’s Directors Deferred Compensation Plan. Each phantom share is economically equivalent to one share of Iron Mountain common stock and will be paid out in common shares on dates chosen by the director or as otherwise provided in the plan.
The 10.189 phantom shares reflect dividend equivalents, treating dividends on common stock as if they were reinvested into additional phantom shares. The weighted average reference price for this transaction was $84.625 per share, based on multiple trades between $84.304 and $84.979. Following this transaction, Matlock beneficially owns 10.189 phantom stock units directly.
Iron Mountain Incorporated director reports stock conversion under a deferred compensation plan. On 01/02/2026, the reporting person acquired 998 shares of Iron Mountain common stock at a price of $0 per share through the exercise of phantom stock units. After this transaction, the reporting person beneficially owned 28,549 shares of common stock in direct form.
The derivative position in 998 phantom stock units was reduced to zero as they were settled in common stock. Each phantom share was economically equivalent to one share of common stock, and settlement occurs in stock under the company’s Directors Deferred Compensation Plan, according to the reporting person’s elections and plan terms.
Iron Mountain Incorporated executive leadership reported a planned stock sale. The company’s EVP, GM Data Centers & ALM sold 6,000 shares of common stock on 01/02/2026 at a price of $83.1 per share. After this transaction, the executive directly owns 55,081 shares of Iron Mountain common stock.
The sale was executed under a pre-arranged Rule 10b5-1 trading plan that the reporting person adopted on March 20, 2025. Such plans allow insiders to systematically sell shares according to set instructions, helping separate personal trading decisions from day-to-day corporate developments.
Iron Mountain Inc. executive reports RSU vesting and share transactions. On 01/02/2026, an officer of Iron Mountain Inc. (EVP, CHRO) exercised 1,909 restricted stock units into 1,909 shares of common stock at an exercise price of $0. On the same date, 944 shares of common stock were disposed of at a price of $83.24 per share, leaving 965 shares of common stock beneficially owned directly after these transactions. The derivative table shows 1,909 RSUs converting into common stock and 3,819 derivative securities (RSUs) remaining beneficially owned. These RSUs were part of a grant covering 5,728 shares of common stock awarded on January 2, 2025, scheduled to vest in three substantially equal annual installments starting on the first anniversary of the grant date.
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